| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Sea or Water Temp
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average sea tempeature is 28 °C (82.4 °F).
- The average temperature in Apia, Upolu in December is hot at 26.5 °C (79.7 °F).
- Afternoons can be very hot with average high temperatures reaching 30 °C (86 °F).
- Overnight temperatures are generally fairly hot with an average low of 23 °C (73.4 °F).
- In December the range/ variation of daily mean temperatures is 7 °C (12.6 °F).
- The weather in December is damp with rain from time to time. A significant 371mm (14.6in) of H2O descends during an average of 19 days.
- The heavens above Apia, Upolu are reasonably fine having on average a moderate 6:07 of bright solar radiation daily.
- The shortest day is 12:52 long and the longest day is 12:55 long with an average length of 12:55.
- There are approximately 6:40 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 47.9% of daylight hours and cloudy 52.1% of daylight hours.
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Weather Trend Graph for December in Apia, Upolu, Samoa
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